javascript - Using a select box to swap classes between divs -

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i have 5 divs, each containing select box lists divs. trying make when use select box swaps class of div using the div selected.

i have set classes change column position using css flex.

so far work correctly on first change not on after that. doing wrong here?

fiddle:https://jsfiddle.net/wd9vrfmn/

jq:

  var col = ['col1', 'col2', 'col3', 'col4', 'col5'] //list of classes    $("select").change(function(){     var prevclass = $(this).parent().attr('class');     var nextclass = col[$(this).val() - 1];     $(this).val($(this).find('option[selected]').val());     $('div.' + prevclass).removeclass(prevclass).addclass("col0");     $('div.' + nextclass).removeclass(nextclass).addclass(prevclass);     $('div.col0').removeclass("col0").addclass(nextclass);   });

the value of options not getting updated. have added following code:

var previd = $(this).parent().attr('class').replace("col",""); var nextid = $(this).val(); var prevelem = $("option[value="+previd+"]"); var nextelem = $("option[value="+nextid+"]"); $(prevelem).val(nextid); $(nextelem).val(previd);

please refer fiddle.


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